Question

after spain and portugal signed the treaty of tordesillas, spain could continue sponsoring westward expeditions. in 1513, the spaniard vasco nuñez de balboa sailed to the americas. look at the map of balboas route. then complete the text below.
complete the text.
during his expedition, vasco nuñez de balboa crossed the land connecting north and south america. this made balboa the first european to reach ________ by traveling west.
the atlantic ocean
the pacific ocean
the caribbean sea
the indian ocean

Explanation:

Vasco Núñez de Balboa's expedition crossed the Isthmus of Panama (the land bridge between North and South America) westward, becoming the first European to reach the Pacific Ocean from this route, as confirmed by the map showing his path leading to the labeled Pacific Ocean.

Answer:

the Pacific Ocean